initializing ICU in url fuzzer.

testing/libfuzzer/fuzzers/url_parse_fuzzer.cc

 // Copyright (c) 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/at_exit.h"
+#include "base/i18n/icu_util.h"
 #include "url/gurl.h"
 
+struct TestCase {
+  TestCase() {
+    CHECK(base::i18n::InitializeICU());
+  }
+
+  // used by ICU integration.
+  base::AtExitManager at_exit_manager;
+};
+
+TestCase* test_case = new TestCase();
+
 // Entry point for LibFuzzer.
 extern "C" int LLVMFuzzerTestOneInput(const unsigned char *data,
                                       unsigned long size) {
   GURL url(std::string(reinterpret_cast<const char*>(data), size));
   return 0;
 }